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Finding the Fourth Proportional to 182.61, 252.15 and 133.56

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Solution

The fourth proportional to 182.61, 252.15 and 133.56 is: 184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.61 : 252.15 = 133.56 : x
  2. Step 2: Convert to fraction form
    182.61/252.15 = 133.56/x
  3. Step 3: Cross multiply
    182.61x = 252.15 × 133.56
  4. Step 4: Simplify right side
    182.61x = 33,677.15
  5. Step 5: Solve for x
    x = 33,677.15/182.61
  6. Step 6: Final answer
    x = 184.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.